On Thu, Oct 17, 2019 at 2:54 PM Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote: > > I'm all ears for an alternative solution. Here are the pain points: Let's talk about them one by one. > #1) BPF disables preemption unconditionally with no way to do a proper RT > substitution like most other infrastructure in the kernel provides > via spinlocks or other locking primitives. Kernel has a ton of code that disables preemption. Why BPF is somehow special? Are you saying RT kernel doesn't disable preemption at all? I'm complete noob in RT.
